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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 32
Edited by: B.H.V. Topping
Paper XIII.3

The Effect of the Asynchronous Ground Motion on Hydrodynamic Pressures

A. Bayraktar and A.A. Dumanoglu

Department of Civil Engineering, Karadeniz Technical University, Trabzon, Turkey

Full Bibliographic Reference for this paper
A. Bayraktar, A.A. Dumanoglu, "The Effect of the Asynchronous Ground Motion on Hydrodynamic Pressures", in B.H.V. Topping, (Editor), "Developments in Computational Techniques for Civil Engineering", Civil-Comp Press, Edinburgh, UK, pp 349-357, 1995. doi:10.4203/ccp.32.13.3
In this paper, the effects of the asynchronous ground motion on frequency contents and amplitudes of hydrodynamic pressures are investigated considering dam-reservoir-foundation interaction. The behaviour of the dam, the reservoir and the foundation is expressed in terms of the displacements (Lagrangian approach) in the formulations obtained using finite element method. Hydrodynamic pressures are calculated for various earthquake wave velocities. It is observed that asynchronous ground motion affects the frequency contents of hydrodynamic pressures slightly. However, the amplitudes of the hydrodynamic pressures decrease considerably when asynchronous ground motion is taken into account.

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